Old Greenwich Post Office

36 Arcadia Rd, Old Greenwich, CT 06870

Contact Numbers

Phone: 203-637-1405
Fax: 203-637-0685
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 5:30pm
Tuesday 5:30pm
Wednesday 5:30pm
Thursday 5:30pm
Friday 5:30pm
Saturday 4:30pm
Sunday Closed

Passport Walk-In Hours

Monday Closed
Tuesday 9:00am - 12:00pm
Wednesday Closed
Thursday Closed
Friday Closed
Saturday Closed
Sunday Closed

Passport Appointment Hours

Monday 9:00am - 1:00pm, 2:00pm - 3:00pm
Tuesday 9:00am - 1:00pm, 2:00pm - 3:00pm
Wednesday 9:00am - 1:00pm, 2:00pm - 3:00pm
Thursday 9:00am - 1:00pm, 2:00pm - 3:00pm
Friday 9:00am - 1:00pm, 2:00pm - 3:00pm
Saturday 9:00am - 12:00pm
Sunday Closed


*Appointments are required outside of walk-in hours to apply for or renew US Passports. Please Call or schedule online.

Bulk Mail Acceptance Hours

Monday 9:00am - 3:00pm
Tuesday 9:00am - 3:00pm
Wednesday 9:00am - 3:00pm
Thursday 9:00am - 3:00pm
Friday 9:00am - 3:00pm
Saturday Closed
Sunday Closed


Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

Stamford
427 West Ave Rm 334
0.4 mile away

West Ave Carrier Unit
427 West Ave
0.4 mile away

West Ave
317 West Ave
0.5 mile away

Riverside
1273 E Putnam Ave
0.6 mile away

Reviews

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Old Greenwich Post Office has become very unreliable. When told to hold mail it nine-the-less gets delivered. And now its 8:43 pm and still no delivery. Very upset. My absentee ballot is waiting and now a storm is ciming.
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Mail man car 128672. Was very rude and even cursed at me because there is no space in road i i was parked next to mailbox. Unexceptable. I had just entered my car to leave and started to call Inconsiderable and said move your fu**ing car. I jad just entered and told him i was leaving and he got even more mad because i was parked there. Im sorry but that was out of line unexectable.
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the old greenwich website is kind of jumbled—the hours do not ,match the days. for example—monday - friday is blank and below is saturday with 9-3 hours etc. needs to be adjusted. po geniuses!
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I am missing 4 tracked packages from old greenwich ps. I filed a change of address notice prior to moving but I haven't received any yet. What course of action do I peruse to get them. The home owner was home and available never received then.
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